Update column-encryption.mdx

remove blog spam

apps/docs/pages/guides/database/column-encryption.mdx

@@ -32,20 +32,6 @@ Decrypted data is accessed using a special view that is automatically created af
 
 ![Decrypted data](/docs/img/guides/database/vault-decrypted-data.png)
 
-### Encrypting Columns From SQL
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-One of the more common questions we receive at Supabase is “how do I encrypt sensitive data”?
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-pgsodium's Transparent Column Encryption (TCE) is one of the safest ways, and can be used to encrypt one or more text columns in any number of tables. Using TCE, you can encrypt data so that it doesn't leak into logs as well as providing your users with row-level encryption.
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-To understand how TCE works, let's first do a deep-dive into an important encryption topic: key derivation.
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-This post is a sneak peek of a big feature we are shipping on LW6. To not miss a thing, get your ticket for [Supabase Launch Week 6!](https://supabase.com/launch-week).
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-</div>
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 ## How Key Derivation Works
 
 The current state-of-the-art in encryption libraries is [libsodium](https://doc.libsodium.org/).